Amplitudes in fishnet theories in diverse dimensions and Box ladder diagrams

Abstract

We investigate properties of four point colour ordered scattering amplitudes in D=6 fishnet CFT. We show that such amplitudes are related via very simple relation to their D=4 counterparts considered previously in the literature. Exploiting this relation we obtain closed expression for such amplitudes and investigate its behaviour at weak and strong coupling. As by product of this investigation we also obtain generating function for on-shell D=6 Box ladder diagrams with l rungs.

arXiv comment45 pages, 13 figures; v3: minor changes, multiple typos corrected, reference added

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